Michael J. Fox
Milo James Thatch (voice)
Leonard Nimoy
King Kashekim Nedakh (voice)
John Mahoney
Preston B. Whitmore (voice)
Jim Cummings
Additional Voices (voice)
Jim Varney
Jebidiah Allardyce 'Cookie' Farnsworth (voice)
James Garner
Commander Lyle Tiberius Rourke (voice)
David Ogden Stiers
Fenton Q. Harcourt (voice)
Cree Summer
Princess 'Kida' Kidagakash (voice)
Corey Burton
Gaetan 'The Mole' Moliere (voice)
Jacqueline Obradors
Audrey Rocio Ramirez (voice)
Claudia Christian
Helga Katrina Sinclair (voice)
Phil Morris
Dr. Joshua Strongbear Sweet (voice)
Patrick Pinney
Additional Voices (voice)
Florence Stanley
Wilhelmina Bertha Packard (voice)
Don Novello
Vincenzo 'Vinny' Santorini (voice)